Metamoris has officially confirmed the two main attractions for its fourth installment, next August 9, in Los Angeles.
Tickets go on sale June 30.
There will be a limited amount of 700 seats on sale.
André Galvão will face Chael Sonnen and Dean Lister will battle Josh Barnett.
The event also released the official trailer for the fights.
Take a look.
More info at metamoris.com